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Jefferson County, MT Energy

Electric utilities, power plants and charging stations in Jefferson County, Montana.

Montana home electricity
14.99¢/kWh
July 2026
Regular gas, region
$4.47/gal
Rocky Mountain (PADD 4)
Electric utilities
2
Serving Jefferson County

Electric utilities serving Jefferson County

As reported to EIA for 2025. A utility may serve only part of the county. Customers and prices are for its whole Montana service area

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UtilityCustomers in stateHome priceHome bill
NorthWestern Energy LLC - (MT)Investor Owned438,85114.42¢/kWh$102/mo
Vigilante Electric Coop, IncCooperative11,420Not reportedNot reported

Electricity rates and gas prices are state or regional averages. Utility service areas come from EIA Form 861 and are listed by county, so a utility listed here may not serve every address in the county.

Frequently asked questions

What electric company serves Jefferson County?
NorthWestern Energy LLC - (MT), Vigilante Electric Coop, Inc report serving Jefferson County to EIA. Check your bill or address with the utility to confirm which one serves you.